package com.example.bio;

import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class BIOServer {
    public static void main(String[] args) throws IOException {
        ExecutorService executorService = Executors.newCachedThreadPool();
        ServerSocket serverSocket = new ServerSocket(6666);
        System.out.println("服务器启动了");
        while(true){
            // 监听，等待客户端连接
            System.out.println("等待连接...");
            final Socket socket = serverSocket.accept();
            System.out.println("连接到一个客户端");
            executorService.execute(new Runnable() {
                @Override
                public void run() {
                    // 可以和客户端通讯
                    handle(socket);
                }
            });
        }
    }

    // 通讯方法
    public static void handle(Socket socket){
        System.out.println("线程信息 id: " + Thread.currentThread().getId() + "- 名字 -" + Thread.currentThread().getName());
        byte[] bytes = new byte[1024];
        // 通过socket获取输入流
        try {
            InputStream inputStream = socket.getInputStream();
            while (true){
                System.out.println("in reading...");
                int read = inputStream.read(bytes);
                if (read != -1) {
                    System.out.println("输出客户端发送的数据:" + new String(bytes, 0, read));
                } else {
                    break;
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            System.out.println("关闭和client的连接");
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}
